⇒
I
(1) A
ethnic group(n) nhóm thiểu số
(2) B - speak(v) nói chuyện, giao tiếp
(3) C - stilt house(n) nhà sàn
(4) D
II
1. T (câu đầu)
2. T (Rich people who live in the city for their work often buy a second home in the countryside to spend their weekend and holiday)
3. F (the introduction of the Internet creates more opportunities ... which helps them save labour.
4. T ( In the near future, it is expected that the countryside will gradually become more similiar to big cities)